rfnoc: Read cmd FIFO size from blocks & configure ctrl_iface

This requires noc_shell compat number 6.0. It will allow sending as many
command packets, but no more, than there is space.

Updated FPGA images for devices:
- X310/X300
- N300/N310/N320
- E310/E320

1 files changed, 11 insertions, 0 deletions

diff --git a/host/lib/include/uhdlib/rfnoc/ctrl_iface.hpp b/host/lib/include/uhdlib/rfnoc/ctrl_iface.hpp
index deb58f14c..29b2e73c0 100644
--- a/host/lib/include/uhdlib/rfnoc/ctrl_iface.hpp
+++ b/host/lib/include/uhdlib/rfnoc/ctrl_iface.hpp
@@ -59,6 +59,17 @@ public:
             const bool readback=false,
             const uint64_t timestamp=0
     ) = 0;
+
+    /*! Set the depth of the command FIFO size
+     *
+     * Note: This is not safe to call during operations. Call this during
+     * initialization.
+     *
+     * \param num_lines The number of lines of depth in the command FIFO. The
+     *                  function will calculate the number of packets that will
+     *                  fit into the command FIFO.
+     */
+    virtual void set_cmd_fifo_size(const size_t num_lines) = 0;
 };
 
 }} /* namespace uhd::rfnoc */